package com.ls.controller;

import com.ls.entity.User;
import com.ls.service.UserService;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.LockedAccountException;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
@RequestMapping("user")
public class UserController {
    @Autowired
    UserService userService;

    /**
     * 用户注册
     * @param user
     * @return
     */
    @RequestMapping("register")
    public String register(User user){
        try {
            userService.register(user);
            return "redirect:login.jsp";
        }catch (Exception e){
            e.printStackTrace();
            return "redirect:register.jsp";
        }

    }
    @RequestMapping("logout")
    public String logout() {
        Subject subject = SecurityUtils.getSubject();
        subject.logout();
        return "redirect:/login.jsp";
    }

    /**
     * 用来处理身份认证
     *
     * @param username
     * @param password
     * @return
     */
    @RequestMapping("login")
    public String login(String username, String password) {

        //获取主体对象
        Subject subject = SecurityUtils.getSubject();
        try {
            subject.login(new UsernamePasswordToken(username, password));
            return "redirect:/index.jsp";
        } catch (UnknownAccountException e) {
            e.printStackTrace();
            System.out.println("用户名错误");
        } catch (IncorrectCredentialsException e) {
            e.printStackTrace();
            System.out.println("密码错误");
        } catch (LockedAccountException e) {
            e.printStackTrace();
            System.out.println("账户已被锁定");
        }

        return "redirect:/login.jsp";
    }
}
